[srslte-users] srsRAN failing to build

[Pedro Alvarez]

Tichaona --

GCC 11 added some warnings, which are causing that issue.
Can you try this branch and see if the problem persists:
https://github.com/srsran/srsRAN/tree/fix_issue675 ?

Regards,
Pedro

On Mon, Sep 13, 2021 at 9:22 AM Tichaona Kadzinga <tichaona at kadzinga.com> wrote:
>
> I am trying to build srsRAN from source and running make fails with the
> following error:
>
> home/soko/usr/src/srsRAN/lib/src/phy/mimo/precoding.c:783:47: error:
> argument 4 of type ‘float *[2]’ with mismatched bound
> [-Werror=array-parameter=]
>    783 |                                        float*
> csi[SRSRAN_MAX_CODEWORDS],
>        | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
> In file included from
> /home/soko/usr/src/srsRAN/lib/src/phy/mimo/precoding.c:28:
> /home/soko/usr/src/srsRAN/lib/include/srsran/phy/mimo/precoding.h:92:58:
> note: previously declared as ‘float *[4]’
>     92 |                                                   float*
> csi[SRSRAN_MAX_LAYERS],
>        | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
> /home/soko/usr/src/srsRAN/lib/src/phy/mimo/precoding.c: In function
> ‘srsran_predecoding_type’:
> /home/soko/usr/src/srsRAN/lib/src/phy/mimo/precoding.c:1914:16: error:
> ‘srsran_predecoding_diversity_multi’ accessing 32 bytes in a region of
> size 16 [-Werror=stringop-overflow=]
>   1914 |         return srsran_predecoding_diversity_multi(y, h, x, csi,
> nof_rxant, nof_ports, nof_symbols, scaling);
>        |
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> /home/soko/usr/src/srsRAN/lib/src/phy/mimo/precoding.c:1914:16: note:
> referencing argument 4 of type ‘float **’
> /home/soko/usr/src/srsRAN/lib/src/phy/mimo/precoding.c:780:5: note: in a
> call to function ‘srsran_predecoding_diversity_multi’
>    780 | int srsran_predecoding_diversity_multi(cf_t* y[SRSRAN_MAX_PORTS],
>        |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> cc1: all warnings being treated as errors
> make[2]: *** [lib/src/phy/mimo/CMakeFiles/srsran_mimo.dir/build.make:90:
> lib/src/phy/mimo/CMakeFiles/srsran_mimo.dir/precoding.c.o] Error 1
> make[1]: *** [CMakeFiles/Makefile2:4282:
> lib/src/phy/mimo/CMakeFiles/srsran_mimo.dir/all] Error 2
> make: *** [Makefile:166: all] Error 2
>
>
> I am running Fedora 34 and am using libbladeRF
>
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